#!/usr/bin/python3.8

import os
import sys

if len(sys.argv) < 2:
    print("g06_scp down/up file1 file2...");
    exit(-1);

mod = sys.argv[1];
files = sys.argv[2:];

if mod != "down" and mod !="up":
    print("g06_scp down/up file1 file2...");
    exit(-1);

for file in files:
    if mod=="down":
        os.system("scp -P 8026 yala@beijg.3322.org:scp/{} ./".format(file))
    elif mod=="up":
        os.system("scp -P 8026 {} yala@beijg.3322.org:scp/".format(file))
